Spring for bed



FIG. 1 is a top plan view of a spring for bed showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a left side elevational view thereof;

FIG. 7 is a top plan view of a second embodiment of that shown in FIG. 1;

FIG. 8 is a front elevational view thereof;

FIG. 9 is a bottom plan view thereof;

FIG. 10 is a rear elevational view thereof;

FIG. 11 is a right side elevational view thereof;

FIG. 12 is a left side elevational view thereof;

FIG. 13 is a top plan view of a third embodiment of that shown in FIG. 1;

FIG. 14 is a front elevational view thereof;

FIG. 15 is a bottom plan view thereof;

FIG. 16 is a rear elevational view thereof;

FIG. 17 is a right side elevational view thereof;

FIG. 18 is a left side elevational view thereof;

FIG. 19 is a top plan view of a fourth embodiment of that shown in FIG. 1;

FIG. 20 is a front elevational view thereof;

FIG. 21 is a bottom plan view thereof;

FIG. 22 is a rear elevational view thereof;

FIG. 23 is a right side elevational view thereof; and

FIG. 24 is a left side elevational view thereof. 

The ornamental design for a spring for bed, as shown and described. 